1853412993 has 12 divisors (see below), whose sum is σ = 2734113408. Its totient is φ = 1209318840.

The previous prime is 1853412989. The next prime is 1853413033. The reversal of 1853412993 is 3992143581.

It is a happy number.

1853412993 is a `hidden beast` number, since 1 + 8 + 534 + 1 + 29 + 93 = 666.

It is not a de Polignac number, because 1853412993 - 2² = 1853412989 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1853412943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2190373 + ... + 2191218.

It is an arithmetic number, because the mean of its divisors is an integer number (227842784).

Almost surely, 2^1853412993 is an apocalyptic number.

It is an amenable number.

1853412993 is a deficient number, since it is larger than the sum of its proper divisors (880700415).

1853412993 is a wasteful number, since it uses less digits than its factorization.

1853412993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381644 (or 4381641 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1853412993 is about 43051.2832909775. The cubic root of 1853412993 is about 1228.3554802133.

The spelling of 1853412993 in words is "one billion, eight hundred fifty-three million, four hundred twelve thousand, nine hundred ninety-three".